Nozzle device



Jan. 12, 1932. w, WENDERHQLD 1,840,863

NozzLE DEVICE Filed m 27, .1930

IQ ATTORNEY Patented dan. 12, 1932 unrrno STATES I,PATENT ori-icel oF'NEw YORK, N. Y.

NOZZLE DEVICE Applicationled .Tune 27, 1930. Serial No. 464,127.

My invention relates to a nozzle device particularly adapted for oil burners, and more particularly to means forcleansing the fluid passages of such nozzle device while the device is in situs. 1 v s Y.

Oil burnersusually include some form of atomizer to assistin the conversion of the petroleum oils into gaseoushydrocarbons.

One of the most common methods of atomization is by projecting the .petroleum oil unn derpressure from a nozzle device. .ce or fluidpassage of such nozzle device has The oria tendency to carbonize or clog when in use.

.It is the principal object 'of the presentV invention to provide improved means Vfor effecting the cleansing of a nozzle device for oil burners and the like and for maintaining Vsuch device in effective operating condition -while the device is 1n use.

Other objects and features of invention will be pointed out or ,will become .apparent upon 'a reading of the specification. p ,p

Briefly stated, in a preferred form of the invention I employ a fluid regulating or nozzle member, a cleaning or scraping means, and means for moving the regulating or nozvzle member so that the cleaning and scraping means will cleanse lthe regulating or nozzleV member without the necessity lof disassembling the apparatus in order to effect this cleansing operation.

Vwhich has been partiallybroken awayso as to show the interior, the parts being shown in position for cleansing; v

Fig. 3 is a transverse section-taken upon the plane of the line 3-3 in Fig. 1.

While. the invention will bev described in connection with a nozzle device -for oil burners, it is to be understood that the invention is of broader Vapplication and may be em-V bodied in other forms of nozzle deviceswhere itis desired to provide forthe cleansing of the orifice or passage of the nozzle without disassembling. y i

In said illustrative drawings, 10 indicates the body member ofthe device,v,havin,c a supply jpipe connection 11. A closurel member l 12y is screwed into one ,end of the body member 10. This-closure member is in the form VVof a hollow cylinder-having van annular flange'l projecting from the interior surface thereof. Fluid passesv fromthe body member l0 through the blind nozzle 141 and the iiowA is controlled by a regulating member such as the nozzle member 15. `'ll'iis nozzle member, as will be described more infdeta'il, is arranged to be moved back and forth for the purpose of cleansing the passages of carbon or sediment. In its operating position the nozzle member 15 fits in Va seat in the front of the body member 10 or in the blind nozzle 14:. This seat is preferably conical as shown krWILLIAIVI VEND'ERI-IOLD, OF NEW YORK, N. Y., ASSIGNOR T0 ELIZABETH UEBELMESSER, Y

at 16 in the drawings. A cleansingv member is arranged in a position to be engaged by the nozzle member 15 when it is moved back from its normal position. In t-he form shownV in the drawings this cleansing memberis in the form of a clean-outer pin member 17.

In the particular form illustrated the nozzle member 15 is guided ina nozzle guide 18 Y which is in fixed relationto thebody member l0. As specifically illustrated this nozzle guide is in the form of a plug threaded into the closure member 12. i

The nozzle member 15 may be held against rotation in the nozzle guide 18 by any suit- Y able means, such asv by angula'rly'fitting parts. p a

As specifically, shownthe nozzle member 15 is substantially square in cross section and the nozzle guide 18 is correspondingly formed. The wallsof thenozzle member 15 maybe provided with holes 19 for' thepassage of fluid to the interior of the member. e lThe nozzle member 15 may be retracted Vby an actuatingmemberQO.. As' specifically.

shown the nozzle member 15 is connected by mea-ns of screw threads 21 to `thel threaded portion of the actuating member 20. The actuating member Vmay be journaled'in the closur'evmemberl` as shown and if desired may be held against longitudinal movement between the flange'13 andthe-nozzle guide 18.

The clean-out or pin member 17 may be secured to the actuating member 20 as by means of a set screw 22. If desired the actuating member may have a rearward 1projection 23 extending to the exterior of the body member lO by means of which the actuating member 20 may be rotated by hand or by a. suitable tool such as a screw-driver.

In order to exclude foreign particles in the fuel a strainer .9A may be interposed between the supply pipe connection 11 and the nozzle member 15.

rIhe operation of the device is as follows:

rlhe parts are normally positioned'as shown in F ig. 1. Fuel under pressure enters the de- Vice at the pipe connection 11, passes through the strainer 24, and through the holes 19 to the interior of the nozzle member 15. Thence it passes through the orifice 25 and through the'blind nozzle 14. When the orifice 25 is in need of cleansing, the actuating member 2O is rotated. The screw threads ofthe actuating member 2O engage in the screw threads vof the nozzle member 15, and since the nozzle member is prevented from rotating by reason of the engagement of its square exterior surface with the square interior surface of the nozzle guide 18, the screw effect of the threaded portion of the actuating member 20 upon the threaded surface of the nozzle member 15 serves to retract the nozzle member 15 until the pin member 17 passes through the orifice 25, thus clearing the orifice of any carbon or other clogging material. With the nozzle member 15 in its retracted Aposition any clogging materia-l which has collected upon the blind nozzle 14 and o n the outside of the end of the nozzle member 15 will be blown off. After the cleansing` operation, the actuating member 20 is revolved in the opposite direction and the screw effect of the threaded portion of the actuating member engaging in the threads on the nozzle member 15 will return the nozzle member 15 to its seat in the blind nozzle 14 and securely hold it thereon.

It will be seen that by means of my invention I have provided a very simple and effective cleansing means which is sturdy in construction and not likely to get out of order. By retracting the nozzle member, not only is the fluid passage or orifice therein properly cleaned by the pin member, but carbon or other clogging material which may collect outside of the nozzle member and would therefore notbe removed by the pin member will be blown out by the passage of fluid rushing past the outsideof the nozzle member at the beginning of retraction. All of the operating parts of the nozzle device may be removed as a unit with the closure member. All of the parts are of simple form and readily manufactured and all parts are easily accessible for renewals or repairs.

Vhile the invention has been described in considerable Vdetail and one specific form shown in the drawings, it is to be understood that the invention may be otherwise embodied and employed in connection with injectors, nozzles and the like, of various types other than that herein shown.

I claim: Y

1. In a nozzle device, a body member, a rotatable actuating member, a nozzle member having a fluid passage therein, a cleanout member which is a close fit in said fluid passage and which is fixed to said actuating member, and screw means for moving said nozzle member when said actuating member is rotated whereby said nozzle member will be retracted vso that said clean-out member will pass through and clean said fluid passage in said nozzle member.

2. In a nozzle device, a body member, a rotatable actuating member having screw means thereon, a hollow nozzle member partially closed at one endl and having screw means thereon adapted to engage said screw means on said actuating member and having an orifice in the partially closed end thereof, means for preventing said nozzle member from rotating, a pin member Xed to said actuating member, whereby when said actuating member is rotated said nozzle member will be retracted so that said pin member will pass through said orifice in said nozzle member.

3. In a nozzle device, a body member, a rotatable actuating member having an axial cylindrical projection formed on one side thereof, a screw thread formed on the eXterior of said'projection, a hollow nozzle member partially closed at one end having a screw thread cut on the interior surface thereof and having an orifice in the partially closed end thereof and an orice connecting the interior of said member with the interior of said body member, said screw thread on the interior surface of said nozzle member engaging with said screw thread on said axial cylindrical projection of said actuating member, means for preventing said nozzle member from rotating, a pin member fixed to said actuating member, whereby when said actuating member is rotated said nozzle member will be retracted so that said pin member will pass through'said orifice in said nozzle member.

4f. In a nozzle device, a body member, a rotatable actuating member within said body member having screw means thereon and having a projection which extends to the outside of said body member, a hollow nozzle member partially closed at one end and having screw means thereon adapted to engage the screw means upon said actuating member, means for preventing rotation of said I nozzle member, a clean-out pin member fixed to said actuating member, said pin member progectmg into the interior of said nozzle member, whereby when said actuating member` is rotated said nozzle member Will be retracted so that said pin member Will pass through an orifice inthe partially closed end of said nozzle member.

5. In a nozzle device, a body member, anv

therewith.

Y WILLIAM WENDERHOLD. 

